6477156 has 36 divisors (see below), whose sum is σ = 18712512. Its totient is φ = 1850544.

The previous prime is 6477151. The next prime is 6477161. The reversal of 6477156 is 6517746.

6477156 is a `hidden beast` number, since 647 + 7 + 1 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (6477151) and next prime (6477161).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6477156.

It is not an unprimeable number, because it can be changed into a prime (6477151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12600 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (519792).

Almost surely, 2^6477156 is an apocalyptic number.

It is an amenable number.

6477156 is an abundant number, since it is smaller than the sum of its proper divisors (12235356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6477156 is a wasteful number, since it uses less digits than its factorization.

6477156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720 (or 25715 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 6477156 is about 2545.0257366086. The cubic root of 6477156 is about 186.4066717696.

The spelling of 6477156 in words is "six million, four hundred seventy-seven thousand, one hundred fifty-six".